| 1 | //===-- SystemZConstantPoolValue.cpp - SystemZ constant-pool value --------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "SystemZConstantPoolValue.h" |
| 10 | #include "llvm/ADT/FoldingSet.h" |
| 11 | #include "llvm/IR/DerivedTypes.h" |
| 12 | #include "llvm/IR/GlobalValue.h" |
| 13 | #include "llvm/Support/raw_ostream.h" |
| 14 | |
| 15 | using namespace llvm; |
| 16 | |
| 17 | SystemZConstantPoolValue:: |
| 18 | SystemZConstantPoolValue(const GlobalValue *gv, |
| 19 | SystemZCP::SystemZCPModifier modifier) |
| 20 | : MachineConstantPoolValue(gv->getType()), GV(gv), Modifier(modifier) {} |
| 21 | |
| 22 | SystemZConstantPoolValue * |
| 23 | SystemZConstantPoolValue::Create(const GlobalValue *GV, |
| 24 | SystemZCP::SystemZCPModifier Modifier) { |
| 25 | return new SystemZConstantPoolValue(GV, Modifier); |
| 26 | } |
| 27 | |
| 28 | int SystemZConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP, |
| 29 | Align Alignment) { |
| 30 | const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants(); |
| 31 | for (unsigned I = 0, E = Constants.size(); I != E; ++I) { |
| 32 | if (Constants[I].isMachineConstantPoolEntry() && |
| 33 | Constants[I].getAlign() >= Alignment) { |
| 34 | auto *ZCPV = |
| 35 | static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal); |
| 36 | if (ZCPV->GV == GV && ZCPV->Modifier == Modifier) |
| 37 | return I; |
| 38 | } |
| 39 | } |
| 40 | return -1; |
| 41 | } |
| 42 | |
| 43 | void SystemZConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) { |
| 44 | ID.AddPointer(Ptr: GV); |
| 45 | ID.AddInteger(I: Modifier); |
| 46 | } |
| 47 | |
| 48 | void SystemZConstantPoolValue::print(raw_ostream &O) const { |
| 49 | O << GV << "@"<< int(Modifier); |
| 50 | } |
| 51 |